Zimmer Partners’s American Tower AMT Stock Holding History

Zimmer Partners’s Portfolio AMT Stock Details AMT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-23	Closed	-$4.04K	–	129
2025 Q4	$4.04K	Buy	+23	New	+$4.18K	﹤0.01%	114
2023 Q3	–	Sell	-55,000	Closed	-$10.7M	–	124
2023 Q2	$10.7M	Sell	55,000 -302,500	-85%	-$59.1M	0.25%	61
2023 Q1	$73.1M	Buy	357,500 +32,500	+10%	+$6.82M	1.5%	26
2022 Q4	$68.9M	Buy	325,000 +305,000	+1,525%	+$63.5M	1.38%	27
2022 Q3	$4.29M	Sell	20,000 -599,000	-97%	-$154M	0.09%	73
2022 Q2	$158M	Buy	+619,000	New	+$155M	3.29%	10
2021 Q4	–	Sell	-95,000	Closed	-$25.2M	–	118
2021 Q3	$25.2M	Sell	95,000 -370,000	-80%	-$105M	0.4%	66
2021 Q2	$126M	Buy	+465,000	New	+$119M	1.69%	17
2021 Q1	–	Sell	-622,500	Closed	-$139M	–	172
2020 Q4	$140M	Sell	622,500 -437,500	-41%	-$102M	2.05%	12
2020 Q3	$256M	Buy	1,060,000 +325,000	+44%	+$82.4M	3.96%	5
2020 Q2	$190M	Sell	735,000 -244,608	-25%	-$60.5M	2.58%	13
2020 Q1	$213M	Sell	979,608 -70,392	-7%	-$16.4M	4.73%	3
2019 Q4	$241M	Sell	1,050,000 -109,600	-9%	-$23.9M	3.34%	7
2019 Q3	$256M	Buy	1,159,600 +604,600	+109%	+$132M	2.79%	10
2019 Q2	$113M	Buy	555,000 +185,000	+50%	+$37.2M	1.2%	24
2019 Q1	$72.9M	Sell	370,000 -50,000	-12%	-$8.77M	0.87%	32
2018 Q4	$66.4M	Buy	420,000 +307,500	+273%	+$48.1M	0.92%	28
2018 Q3	$16.3M	Sell	112,500 -12,500	-10%	-$1.83M	0.22%	55
2018 Q2	$18M	Sell	125,000 -235,250	-65%	-$32.7M	0.25%	58
2018 Q1	$52.4M	Sell	360,250 -94,750	-21%	-$13.3M	0.95%	26
2017 Q4	$64.9M	Buy	455,000 +192,500	+73%	+$27.5M	1.58%	21
2017 Q3	$35.9M	Buy	262,500 +55,000	+27%	+$7.66M	0.8%	37
2017 Q2	$27.5M	Sell	207,500 -167,500	-45%	-$21.5M	0.65%	39
2017 Q1	$45.6M	Buy	375,000 +50,000	+15%	+$5.5M	1.12%	25
2016 Q4	$34.3M	Buy	325,000 +150,000	+86%	+$16.3M	1.08%	30
2016 Q3	$19.8M	Buy	175,000 +50,000	+40%	+$5.72M	0.53%	51
2016 Q2	$14.2M	Buy	125,000 +65,000	+108%	+$6.92M	0.42%	66
2016 Q1	$6.14M	Buy	60,000 +47,500	+380%	+$4.44M	0.26%	64
2015 Q4	$1.21M	Hold	12,500	–	–	0.09%	61
2015 Q3	$1.1M	Buy	+12,500	New	+$1.18M	0.08%	65

Other funds holding AMT

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

Zimmer Partners's AMT Position: Q1 2026 in Review

Zimmer Partners sold out of American Tower (AMT) in Q1 2026, closing a stake of 23 shares — an estimated $4.04K sold.

Zimmer Partners first reported a position in AMT in Q3 2015 and held it in 30 quarters. The position peaked at $256M in Q3 2019. 1,748 funds tracked by Wall St. Rank hold AMT as of Q1 2026.

Zimmer Partners reported no remaining American Tower position as of Q1 2026 after selling out during the quarter.
Zimmer Partners sold 23 American Tower shares in Q1 2026, an estimated $4.04K.
Zimmer Partners first reported a position in American Tower in Q3 2015 and held it in 30 quarters.
Zimmer Partners's American Tower position peaked at $256M in Q3 2019.
1,748 funds tracked by Wall St. Rank held American Tower as of Q1 2026.

Based on Zimmer Partners's 13F filing for Q1 2026, filed 15 May 2026.